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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/nph.17145
|2 doi
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|a pubmed24n1062.xml
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|a eng
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| 100 |
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|a Griese, Eddie
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Insect egg-killing
|b a new front on the evolutionary arms-race between brassicaceous plants and pierid butterflies
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|c 2021
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 14.05.2021
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|a Date Revised 31.05.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 The Authors. New Phytologist © 2020 New Phytologist Foundation.
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|a Evolutionary arms-races between plants and insect herbivores have long been proposed to generate key innovations such as plant toxins and detoxification mechanisms that can drive diversification of the interacting species. A novel front-line of plant defence is the killing of herbivorous insect eggs. We test whether an egg-killing plant trait has an evolutionary basis in such a plant-insect arms-race. Within the crucifer family (Brassicaceae), some species express a hypersensitive response (HR)-like necrosis underneath butterfly eggs (Pieridae) that leads to eggs desiccating or falling off the plant. We studied the phylogenetic distribution of this trait, its egg-killing effect on and elicitation by butterflies, by screening 31 Brassicales species, and nine Pieridae species. We show a clade-specific induction of strong, egg-killing HR-like necrosis mainly in species of the Brassiceae tribe including Brassica crops and close relatives. The necrosis is strongly elicited by pierid butterflies that are specialists of crucifers. Furthermore, HR-like necrosis is linked to PR1 defence gene expression, accumulation of reactive oxygen species and cell death, eventually leading to egg-killing. Our findings suggest that the plants' egg-killing trait is a new front on the evolutionary arms-race between Brassicaceae and pierid butterflies beyond the well-studied plant toxins that have evolved against their caterpillars
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a coevolution
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| 650 |
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|a counter adaptation
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| 650 |
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4 |
|a egg deposition
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| 650 |
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|a hypersensitive response
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| 650 |
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4 |
|a induced plant defences
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| 650 |
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4 |
|a plant toxins
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| 650 |
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4 |
|a specialist herbivores
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| 700 |
1 |
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|a Caarls, Lotte
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bassetti, Niccolò
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mohammadin, Setareh
|e verfasserin
|4 aut
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| 700 |
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|a Verbaarschot, Patrick
|e verfasserin
|4 aut
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| 700 |
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|a Bukovinszkine'Kiss, Gabriella
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Poelman, Erik H
|e verfasserin
|4 aut
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| 700 |
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|a Gols, Rieta
|e verfasserin
|4 aut
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| 700 |
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|a Schranz, M Eric
|e verfasserin
|4 aut
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| 700 |
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|a Fatouros, Nina E
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 230(2021), 1 vom: 11. Apr., Seite 341-353
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|x 1469-8137
|7 nnns
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| 773 |
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|g volume:230
|g year:2021
|g number:1
|g day:11
|g month:04
|g pages:341-353
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|u http://dx.doi.org/10.1111/nph.17145
|3 Volltext
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